Windows 10 will build in standards-based two-factor authentication to every device, effectively neutering most phishing attacks and password database breaches. The company also announced new features aimed at securing corporate machines from malware attacks and data leaks.

The Chinese state media attack on US software and hardware continues, with China’s CCTV state network broadcasting a critical report suggesting that Windows 8 is being used to harvest data about the country’s citizens for use by the US government.

The latest release of Kanter Worldpanel data for the three months to March 2014 shows low-cost Android handsets are improving the fortunes of Google's mobile operating system at the cost of Windows Phone sales.

It looks like PC owners are finally beginning to relax their grip on Windows XP. According to new worldwide usage share data, XP is down sharply, with Microsoft's two fully supported operating systems, Windows 7 and 8, picking up the slack.